. Bulletin - United States National Museum. Science. NEMATODE PARASITES OF BIRDS 215 middle of body, apparently 10/19 of body length from head end. Ovejector 260/u, long by 46/x, wide, directed posteriorly and without a distinct vestibule. Eggs thick-shelled, 35 to 39ju long by 21 to 23ju, wide. Life history.—Unknown; probably involves intermediate stages in other hosts. Distribution.—Africa (Dahomey). This species belongs in Acuaria sensu stricto or Cheilospimra, ap- parently, but can not be definitely placed until the male characters are known. ACUARIA QUADRILOBA (Rudolphi, 1819) Railliet. H
. Bulletin - United States National Museum. Science. NEMATODE PARASITES OF BIRDS 215 middle of body, apparently 10/19 of body length from head end. Ovejector 260/u, long by 46/x, wide, directed posteriorly and without a distinct vestibule. Eggs thick-shelled, 35 to 39ju long by 21 to 23ju, wide. Life history.—Unknown; probably involves intermediate stages in other hosts. Distribution.—Africa (Dahomey). This species belongs in Acuaria sensu stricto or Cheilospimra, ap- parently, but can not be definitely placed until the male characters are known. ACUARIA QUADRILOBA (Rudolphi, 1819) Railliet. Henry, and Sisoff. 1912 /Synonyms.—Spiroptera quad/%Uoba Rudolphi, 1819; FUaria quad- riloba (Rudolphi, 1819) Schneider, 1866; Dispharagus quadrUobus (Rudolphi, 1819) Dujardin, 1845; Dispharagus crassus Molin, 1860c. Hosts.—Primary: Dryocopus martini, Picus martins, P. viridis, Hylomotus pileatus, Gecinus viridis; secondary: Unknown. Location.—Esophagus. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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